/*
 * Copyright (C) the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.derquinse.bocas;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Bocas decorator that synchronously replicates buckets.
 * @author Andres Rodriguez.
 */
final class SyncReplicatedBocasDecorator implements BocasDecorator {
	/** Replica service. */
	private final BocasService replica;
	/** Whether to check for existing entries before writing. */
	private final boolean checkBeforeWrite;

	/** Constructor. */
	SyncReplicatedBocasDecorator(BocasService replica, boolean checkBeforeWrite) {
		this.replica = checkNotNull(replica, "The replica service must be provided.");
		this.checkBeforeWrite = checkBeforeWrite;
	}

	@Override
	public Bocas decorate(String name, Bocas bocas) {
		return BocasServices.syncReplica(bocas, replica.getBucket(name), checkBeforeWrite);
	}
}
